Engine Rebuilder Mark

chrs1961815

chrs1961815

Well-known member
Does anybody recognize these marks on the crank of a nice spare engine I have? Trying to figure out who rebuilt this. It is a pretty new rebuild as it still has crosshatching on the cylinder walls and all the bearings and rods have the right clearance.
 

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You have to realize that those markings maybe from a rebuilder who had the crank reground, rebalance or other work and the number is the crank grinder's marks. I know Rich from Antique Engine Rebuilder in Skokie stamped the letters AER and a number under the valve cover chamber on the block lower right side. A rebuilder should be marking his rebuilds in some fashion if he is reputable.
 
I should be more specific and say that it is a babbit engine with a green glyptal coating inside. How many guys use that?
 
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